NIBCO Sweat Fitting Coupling: 3 in CTS x 2 1/2 in CTS, Cup x FTG, Wrot Copper (MPN 600R 3x21/2)
SKU 3G-OTH-472253
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Frequently Asked Questions
What is NIBCO 600R 3x21/2 wrot copper coupling used for?
This NIBCO sweat fitting coupling joins 3 in CTS copper tube to 2 1/2 in CTS copper tube in plumbing, HVAC, and industrial piping systems. The cup x FTG design allows one end to receive tubing while the other connects to a fitting, providing a reliable solder joint.
What are the specifications of NIBCO 600R 3x21/2 wrot copper coupling?
This NIBCO coupling is wrot copper with cup x FTG configuration, connecting 3 in CTS to 2 1/2 in CTS copper tube. The manufacturer part number is 600R 3x21/2. It is designed for sweat/solder installation in copper piping systems.
Where to buy NIBCO 600R 3x21/2 wrot copper coupling worldwide?
3G Electric supplies and delivers the NIBCO 600R 3x21/2 wrot copper coupling worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order reaches any international destination.
How to install NIBCO 600R 3x21/2 wrot copper coupling?
Install this NIBCO coupling by cleaning and fluxing both tube ends and the cup/FTG surfaces, then heating evenly with a torch until solder flows into the joint. Allow to cool naturally. Always follow local plumbing codes and use proper safety equipment.
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3G Electric supplies NIBCO wrot copper tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









